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1K views · 19 reactions | Purple Bag Syndrome (PBS) is a rare...

Purple Bag Syndrome (PBS) is a rare condition seen in long-term catheterized patients, characterized by the purple discoloration of urine collection bags. It occurs due to a combination of alkaline urine and bacterial infection, often caused by bacteria like Providencia or Escherichia coli. These bacteria produce enzymes that convert tryptophan in the body into indigo and indirubin, pigments that turn the urine purple. PBS is more common in elderly, bedridden, or chronically ill patients, partic